Quadrode
n. 四極管
??? 情景例句
Ms Lin worked hard all year.
林小姐一年到頭辛勤工作。
We must have your LC at least one month before the time of shipment.
我們必須在船運前一個月收到你們的信用證。
The most valuable find of all was the ship's log book, parts of which it was still possible to read.
打撈到的東西中最有價值的是船上的航海日志，其中有一部分仍然清晰可讀。